目的探讨Ⅰ型神经纤维瘤病(NF1)基因变异合并细胞周期蛋白依赖性激酶13(CDK13)基因变异患儿的临床特征和遗传学特点。方法收集1例NF1合并CDK13相关疾病患儿的临床资料,对患儿及其父母进行全外显子组测序,采用Sanger测序验证可疑变异,并...目的探讨Ⅰ型神经纤维瘤病(NF1)基因变异合并细胞周期蛋白依赖性激酶13(CDK13)基因变异患儿的临床特征和遗传学特点。方法收集1例NF1合并CDK13相关疾病患儿的临床资料,对患儿及其父母进行全外显子组测序,采用Sanger测序验证可疑变异,并进行家系分析。以“CDK13基因和NF1基因”或“CDK13 gene and NF1 gene”为检索词分别检索中国知网、万方数据知识服务平台和PubMed数据库建库至2024年2月的相关文献,总结同患NF1和CDK13相关疾病患者的临床表型和遗传学特征。结果患儿,男,13岁,主要临床表现为皮肤牛奶咖啡斑,矮小身材,特殊面容(上眼睑外斜、宽眼距、内眦赘皮、鼻梁宽),智力障碍。患儿存在NF1基因杂合变异c.3610C>G(p.Arg1204Gly)和CDK13基因移码突变c.484dupG(p.Ala162Glyfs*108)(杂合)。Sanger测序验证结果显示,患儿母亲携带NF1基因杂合变异,未携带CDK13基因移码突变;父亲均未携带。未检索到关于同患NF1和CDK13相关疾病的患者的文献。共检索到CDK13相关疾病文献11篇,文献复习结果显示,97例患者主要临床表现为智力障碍或发育迟缓、特殊面容、先天性心脏缺陷,致病变异以错义突变为主。结论NF1基因变异可导致NF1。当发现有特殊面容的NF1患儿出现无法解释的现有表型或症状时,应注意2种遗传病同时存在的可能性。展开更多
Blast furnace gas(BFG)is an important by-product energy for the iron and steel industry and has been widely used for heating or electricity generation.However,the undesirable contaminants in BFG(especially H_(2)S)gene...Blast furnace gas(BFG)is an important by-product energy for the iron and steel industry and has been widely used for heating or electricity generation.However,the undesirable contaminants in BFG(especially H_(2)S)generate harmful environmental emissions.The desulfurization of BFG is urgent for integrated steel plants due to the stringent ultra-low emission standards.Compared with other desulfurization materials,zeolite-based adsorbents represent a viable option with low costs and long service life.In this study,an ammonia-induced CuO modified 13X adsorbent(NH_(3)–CuO/13X)was prepared for H_(2)S removal from simulated BFG at low temperature.The XRD,H_(2)-TPR and TEM analysis proved that smaller CuO particles were formed and the dispersion of Cu on the surface of 13X zeolite was improved via the induction of ammonia.Evaluation on H_(2)S adsorption performance of the adsorbent was carried out using simulated BFG,and the results showed that NH_(3)–CuO/13X-3 has better breakthrough sulfur capacity,which was more than twice the sulfur capacity of CuO/13X.It is proposed that the enhanced desulfurization performance of NH_(3)–CuO/13X is attributed to an abundant pore of 13X,and combined action of 13X and CuO.This work provided an effective way to improve the sulfur capacity of zeolite-based adsorbents via impregnation method by ammonia induction.展开更多
文摘目的探讨Ⅰ型神经纤维瘤病(NF1)基因变异合并细胞周期蛋白依赖性激酶13(CDK13)基因变异患儿的临床特征和遗传学特点。方法收集1例NF1合并CDK13相关疾病患儿的临床资料,对患儿及其父母进行全外显子组测序,采用Sanger测序验证可疑变异,并进行家系分析。以“CDK13基因和NF1基因”或“CDK13 gene and NF1 gene”为检索词分别检索中国知网、万方数据知识服务平台和PubMed数据库建库至2024年2月的相关文献,总结同患NF1和CDK13相关疾病患者的临床表型和遗传学特征。结果患儿,男,13岁,主要临床表现为皮肤牛奶咖啡斑,矮小身材,特殊面容(上眼睑外斜、宽眼距、内眦赘皮、鼻梁宽),智力障碍。患儿存在NF1基因杂合变异c.3610C>G(p.Arg1204Gly)和CDK13基因移码突变c.484dupG(p.Ala162Glyfs*108)(杂合)。Sanger测序验证结果显示,患儿母亲携带NF1基因杂合变异,未携带CDK13基因移码突变;父亲均未携带。未检索到关于同患NF1和CDK13相关疾病的患者的文献。共检索到CDK13相关疾病文献11篇,文献复习结果显示,97例患者主要临床表现为智力障碍或发育迟缓、特殊面容、先天性心脏缺陷,致病变异以错义突变为主。结论NF1基因变异可导致NF1。当发现有特殊面容的NF1患儿出现无法解释的现有表型或症状时,应注意2种遗传病同时存在的可能性。
基金financially supported by National Natural Science Foundation of China(Grant.22076189)National Key Research and Development Program of China(No.2023YFC3707003)the Joint Fund of Yulin University and Dalian National Laboratory for Clean Energy(Grant.YLU-DNL Fund 2022003).
文摘Blast furnace gas(BFG)is an important by-product energy for the iron and steel industry and has been widely used for heating or electricity generation.However,the undesirable contaminants in BFG(especially H_(2)S)generate harmful environmental emissions.The desulfurization of BFG is urgent for integrated steel plants due to the stringent ultra-low emission standards.Compared with other desulfurization materials,zeolite-based adsorbents represent a viable option with low costs and long service life.In this study,an ammonia-induced CuO modified 13X adsorbent(NH_(3)–CuO/13X)was prepared for H_(2)S removal from simulated BFG at low temperature.The XRD,H_(2)-TPR and TEM analysis proved that smaller CuO particles were formed and the dispersion of Cu on the surface of 13X zeolite was improved via the induction of ammonia.Evaluation on H_(2)S adsorption performance of the adsorbent was carried out using simulated BFG,and the results showed that NH_(3)–CuO/13X-3 has better breakthrough sulfur capacity,which was more than twice the sulfur capacity of CuO/13X.It is proposed that the enhanced desulfurization performance of NH_(3)–CuO/13X is attributed to an abundant pore of 13X,and combined action of 13X and CuO.This work provided an effective way to improve the sulfur capacity of zeolite-based adsorbents via impregnation method by ammonia induction.
